San José (SJO) to Washington (IAD) flight deal in economy from $342

Wednesday, January 27th, 2027

7 round-trip options

Returning
Mon, Feb 1, 20275 Day Trip
$401 USD
Returning
Tue, Feb 2, 20276 Day Trip
$342 USD
Returning
Wed, Feb 3, 20277 Day Trip
$450 USD
Returning
Thu, Feb 4, 20278 Day Trip
$497 USD
Returning
Fri, Feb 5, 20279 Day Trip
$497 USD
Returning
Sat, Feb 6, 202710 Day Trip
$497 USD
Returning
Tue, Feb 9, 202713 Day Trip
$497 USD